Sail river has been polluted by heavy metals and those affects the organs of muscles and gonad of the fish, a study has been conducted on December 2017 to January 2018. Samplings were conducted two times, once/month, in the downstream of the river. Heavy metals content were analysed using AAS. Results shown that the average concentration of Fe in the gills, muscles and gonad were 2.123, 1.970 a…